From: Nitin Gupta <nitin.m.gupta@xxxxxxxxxx> Date: Wed, 30 Mar 2016 11:17:13 -0700 > During hugepage map/unmap, TSB and TLB flushes are currently > issued at every PAGE_SIZE'd boundary which is unnecessary. > We now issue the flush at REAL_HPAGE_SIZE boundaries only. > > Without this patch workloads which unmap a large hugepage > backed VMA region get CPU lockups due to excessive TLB > flush calls. > > Orabug: 22365539, 22643230, 22995196 > > Signed-off-by: Nitin Gupta <nitin.m.gupta@xxxxxxxxxx> Looks good, applied and queued up for -stable. Thanks for being so patient. -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
